Athens Blue vs Cement grey
Athens Blue is a Benjamin Moore color while Cement grey comes from RAL Classic. Athens Blue reads as blue, while Cement grey reads as grey — two distinct hue families, not close cousins. At LRV 24 vs 19, Cement grey will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. At ΔE 43.1, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Athens Blue vs Cement grey in Real Spaces
2 real rooms side by side. Seeing Athens Blue and Cement grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The brightness difference is modest but present — Cement grey gives the walls a little more lift.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. Cement grey has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Athens Blue vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Athens Blue on one side and Cement grey on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Athens Blue comparisons
See how Athens Blue stacks up against other well-photographed colors across different brands and tones.












































